• Simon Marlow's avatar
    Change the representation of the package database · 930421d4
    Simon Marlow authored
     - the package DB is a directory containing one file per package
       instance (#723)
     - there is a binary cache of the database (#593, #2089)
     - the binary package is now a boot package
     - there is a new package, bin-package-db, containing the Binary
       instance of InstalledPackageInfo for the binary cache.
    Also included in this patch
     - Use colour in 'ghc-pkg list' to indicate broken or hidden packages
       Broken packages are red, hidden packages are 
       Colour support comes from the terminfo package, and is only used when
        - not --simple-output
        - stdout is a TTY
        - the terminal type has colour capability
     - Fix the bug that 'ghc-pkg list --user' shows everything as broken